33023221000 has 128 divisors (see below), whose sum is σ = 96342255360. Its totient is φ = 10292928000.

The previous prime is 33023220977. The next prime is 33023221009. The reversal of 33023221000 is 12232033.

It is not an unprimeable number, because it can be changed into a prime (33023221009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137437 + ... + 291436.

It is an arithmetic number, because the mean of its divisors is an integer number (752673870).

Almost surely, 2^33023221000 is an apocalyptic number.

It is an amenable number.

33023221000 is an abundant number, since it is smaller than the sum of its proper divisors (63319034360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33023221000 is a wasteful number, since it uses less digits than its factorization.

33023221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428912 (or 428898 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 33023221000 its reverse (12232033), we get a palindrome (33035453033).

The spelling of 33023221000 in words is "thirty-three billion, twenty-three million, two hundred twenty-one thousand".